I've just noticed that noone is going to sell it at 1.33 ref so buyers interested in buying it have to get it at 1.66 ref at least so I think that the right and only price should be 1.66 ref.

http://www.tf2outpost.com/trade/8756580 (2 ref - unsold)

http://www.tf2outpost.com/trade/8790890 (1.66 ref)

http://www.tf2outpost.com/trade/8571012 (1.66 ref - sold out)

http://www.tf2outpost.com/trade/8768982 (2 ref - unsold)

http://www.tf2outpost.com/trade/8281213 (2 ref - sold a lot)

http://www.tf2outpost.com/trade/8769366 (2 for 4 ref - unsold)

http://www.tf2outpost.com/trade/8003797 (1.66 ref sold a lot)

http://www.tf2outpost.com/trade/8765516 (2 ref - unsold)

http://www.tf2outpost.com/trade/8790433 (2 ref - unsold)

http://www.tf2outpost.com/trade/8789196 (1.66 ref)

http://www.tf2outpost.com/trade/8389151 (when he changed from 1.88 ref to 1.66 he sold)

http://www.tf2outpost.com/search/80474206/